Decoding the nature of interaction between felsic clasts and mafic magma in a subvolcanic magma chamber from amphibole–titanite transformation and chemistry

B Gogoi, D Borah - Acta Geochimica, 2023 - Springer
Abstract The Ghansura Rhyolite Dome of Bathani volcano-sedimentary sequence, eastern
India, represents a subvolcanic felsic magma chamber that was invaded by crystal-rich mafic …

Understanding mafic-felsic magma interactions in a subvolcanic magma chamber using rapakivi feldspar: A case study from the Bathani volcano-sedimentary …

B Gogoi, H Chauhan, A Saikia - Geochemistry, 2021 - Elsevier
Abstract The Ghansura Rhyolite Dome of the Bathani volcano-sedimentary sequence in
eastern India originated from a subvolcanic felsic magma chamber that was intruded by …

The episodic onset of explosive and silicic-dominated volcanism in a continental rift; insights from the Permian Oslo Rift, Norway

J Whattam, I Midtkandal, D Jerram, S Callegaro… - Volcanica, 2024 - jvolcanica.org
The nature of rifting episodes and their associated volcanism mark key stratigraphic events
in the evolution of volcano-sedimentary basins. Following the final assemblage of Pangea …

Dynamics of a subvolcanic magma chamber inferred from viscous instabilities owing to mafic-felsic magma interactions

B Gogoi, H Chauhan - Arabian Journal of Geosciences, 2021 - Springer
Abstract The Ghansura Rhyolite Dome (GRD) of Chotanagpur Granite Gneiss Complex,
eastern India, presents an ideal geological setting to understand the dynamics of a …

Origin of porphyritic texture by magma mixing in the andesitic rocks of Ghansura Rhyolite Dome from the Bathani volcano-sedimentary sequence, Eastern India

B Gogoi, G Hazarika, H Chauhan - Geochemical Journal, 2021 - jstage.jst.go.jp
The Ghansura Rhyolite Dome (GRD) of Bathani volcano-sedimentary sequence in Eastern
India provides direct evidence for mafic-felsic magma interaction during its evolution. The …

Significance of viscous folding in the migmatites of Chotanagpur Granite Gneiss Complex, eastern India

B Gogoi, H Chauhan, G Hazarika, A Baruah… - … Transactions of the …, 2020 - cambridge.org
To understand the physico-chemical processes associated with migmatisation is an
interesting petrological problem. New developments in microfluidics and chaotic mixing …

Significance of viscous coalescence in migmatites of the Assam-Meghalaya Gneissic Complex, eastern India

B Gogoi, H Chauhan - The Canadian Mineralogist, 2022 - pubs.geoscienceworld.org
The magnetite ocelli preserved in the Chandrapur area of the Assam-Meghalaya Gneissic
Complex, eastern India, display viscous coalescence. The viscous coalescence …

Role of viscous swirling in the formation of magnetite ocelli or fleck structure in the migmatites of Shillong Plateau Gneissic Complex, eastern India

B Gogoi, G Hazarika, H Chauhan, S Saikia - Geochemical Journal, 2021 - jstage.jst.go.jp
The quartzofeldspathic gneiss of the Shillong Plateau Gneissic Complex has preserved
magnetite-centered ocellar texture or fleck structure. Results presented in this work suggest …

Viscous dilation as a mechanism of magma mixing in the Ghansura Rhyolite Dome of Bathani volcano-sedimentary sequence, Eastern India

B Gogoi, H Chauhan, A Saikia - Periodico di Mineralogia, 2020 - rosa.uniroma1.it
The comingled mafic-felsic rocks of the Ghansura Rhyolite Dome of Bathani volcano-
sedimentary sequence, eastern India, have preserved veins of iron oxide. These veins are …